Historical & Comparative

The Philosophic Grammar of American Languages, as Set Forth by Wilhelm von Humboldt

Geographical etymology: a dictionary of place-names giving their derivations

New Words for Old

Spilling the Beans on the Cat's Pyjamas

The North Through its Names

New Perspectives on Hispanic Contact Linguistics in the Americas

Righting the Mother Tongue

Words We Use

A Gothic Grammar, with selections for reading and a glossary

Opuscula

Pennsylvania Dutch: A Dialect of South German With an Infusion of English

English Past and Present

The American Language

A Glossary of Words used in the Country of Wiltshire

New Word-Analysis

Lectures on the Science of Language

Philological Proofs of the Original Unity and Recent Origin of the Human Race

The Position of the Slavonic Languages at the present day

Folk-Speech of Cumberland and Some Districts Adjacent

Greek and Latin from an Indo-European Perspective